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Finding the Fourth Proportional to 10,873,472.40, 16,312,541.40 and 3,301,203.60

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Solution

The fourth proportional to 10,873,472.40, 16,312,541.40 and 3,301,203.60 is: 4,952,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873,472.40 : 16,312,541.40 = 3,301,203.60 : x
  2. Step 2: Convert to fraction form
    10,873,472.40/16,312,541.40 = 3,301,203.60/x
  3. Step 3: Cross multiply
    10,873,472.40x = 16,312,541.40 × 3,301,203.60
  4. Step 4: Simplify right side
    10,873,472.40x = 53,851,020,394,829.04
  5. Step 5: Solve for x
    x = 53,851,020,394,829.04/10,873,472.40
  6. Step 6: Final answer
    x = 4,952,513.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.